Renderer not making any progress
your &quot;very simple scene&quot; has 2.6 Mio vertices. And if the animation is running in the viewport already very slow...you should think twice before rendering and check what's going on. So decrease your number of vertices e.g. by decreasing your subdivision surface modifier to values 0/0 - because it is not necessary. Then it renders pretty quick.


after setting the values to 0 you got: